Properties

Label 2-731-1.1-c1-0-40
Degree $2$
Conductor $731$
Sign $1$
Analytic cond. $5.83706$
Root an. cond. $2.41600$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.35·2-s + 2.29·3-s − 0.162·4-s + 4.25·5-s + 3.11·6-s − 1.26·7-s − 2.93·8-s + 2.28·9-s + 5.76·10-s − 1.84·11-s − 0.374·12-s + 3.99·13-s − 1.71·14-s + 9.78·15-s − 3.64·16-s − 17-s + 3.10·18-s − 1.83·19-s − 0.692·20-s − 2.90·21-s − 2.50·22-s − 5.40·23-s − 6.74·24-s + 13.1·25-s + 5.41·26-s − 1.63·27-s + 0.205·28-s + ⋯
L(s)  = 1  + 0.958·2-s + 1.32·3-s − 0.0813·4-s + 1.90·5-s + 1.27·6-s − 0.478·7-s − 1.03·8-s + 0.762·9-s + 1.82·10-s − 0.556·11-s − 0.107·12-s + 1.10·13-s − 0.458·14-s + 2.52·15-s − 0.912·16-s − 0.242·17-s + 0.730·18-s − 0.420·19-s − 0.154·20-s − 0.634·21-s − 0.533·22-s − 1.12·23-s − 1.37·24-s + 2.62·25-s + 1.06·26-s − 0.315·27-s + 0.0389·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $1$
Analytic conductor: \(5.83706\)
Root analytic conductor: \(2.41600\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.964771127\)
\(L(\frac12)\) \(\approx\) \(3.964771127\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 + T \)
43 \( 1 - T \)
good2 \( 1 - 1.35T + 2T^{2} \)
3 \( 1 - 2.29T + 3T^{2} \)
5 \( 1 - 4.25T + 5T^{2} \)
7 \( 1 + 1.26T + 7T^{2} \)
11 \( 1 + 1.84T + 11T^{2} \)
13 \( 1 - 3.99T + 13T^{2} \)
19 \( 1 + 1.83T + 19T^{2} \)
23 \( 1 + 5.40T + 23T^{2} \)
29 \( 1 - 0.208T + 29T^{2} \)
31 \( 1 + 3.68T + 31T^{2} \)
37 \( 1 - 7.75T + 37T^{2} \)
41 \( 1 - 0.528T + 41T^{2} \)
47 \( 1 + 7.43T + 47T^{2} \)
53 \( 1 + 9.53T + 53T^{2} \)
59 \( 1 + 1.05T + 59T^{2} \)
61 \( 1 + 1.73T + 61T^{2} \)
67 \( 1 + 0.882T + 67T^{2} \)
71 \( 1 - 7.55T + 71T^{2} \)
73 \( 1 - 12.4T + 73T^{2} \)
79 \( 1 + 13.5T + 79T^{2} \)
83 \( 1 - 17.7T + 83T^{2} \)
89 \( 1 + 2.27T + 89T^{2} \)
97 \( 1 - 0.780T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.06348912723479873611958828071, −9.455928115028257122180673100619, −8.871989220249293064314774693561, −8.015272513449785425020500436275, −6.38450043801248723655932806180, −6.00756202527985186040533488441, −4.93863908466577445469197093871, −3.70107426010151963430647567609, −2.81792584052804078218803378094, −1.93868744237952237366246173391, 1.93868744237952237366246173391, 2.81792584052804078218803378094, 3.70107426010151963430647567609, 4.93863908466577445469197093871, 6.00756202527985186040533488441, 6.38450043801248723655932806180, 8.015272513449785425020500436275, 8.871989220249293064314774693561, 9.455928115028257122180673100619, 10.06348912723479873611958828071

Graph of the $Z$-function along the critical line